4-((2-Oxo-5-phenyl-3-oxazolidinyl)thioxomethyl)morpholine 57795-05-8 Morpholine, 4-((2-oxo-5-phenyl-3-oxazolidinyl)thioxomethyl)- Morpholinothiocarbonyl-3 phenyl-5 oxazolidine-1,3 one-2 [French]